8 O Lord, our Lord, how excellent is thy name in all the earth! who hast set thy glory above the heavens.
Click here for the details. In swimming pools, pink slime is caused by improper water & pool maintenance, environment, poor circulation to name a few. There appears to have occurred a dramatic rise in the reported cases of pink slime especially over the past 5 to 10 years. I'll go into more depth with this comment later.
The chloramine in your swimming pool is then photosynthesized by ultraviolet light and forms various salts. Hot water can accelerate chemical reactions. Perhaps the gases released by the hot chlorinated water are something you might not want to breath. Also, adding an acid to bleach will release chlorine gas.